Sky light infiltrates into yard, casting a deep shadow on the wall and yard.
自然光进入院子，在墙上和院子里留下深深的阴影。
Has deep knowledge of aluminum industry furnace, such as automobile compound industry casting melters, reheating and melting furnaces for al slab process.
对铝加工行业的工业炉有深刻的知识，有在铝汽车零部件铸造的熔化炉，铝加工行业加热炉，熔化炉工作的经验。
The shape of the shell casting is complex, there are four deep holes in two sides of the shell.
壳体铸件形状复杂，两侧面带四个深孔。
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